1. Institute for Technical Chemistry and Environmental Chemistry and Center for Energy and Environmental Chemistry Jena (CEEC Jena) Friedrich Schiller University Jena Philosophenweg 7a 07743 Jena Germany
2. Centre for Cooperative Research on Alternative Energies (CIC energiGUNE) Basque Research and Technology Alliance (BRTA) Alava Technology Park Albert Einstein 48 01510 Vitoria-Gasteiz Spain
3. IKERBASQUE, Basque Foundation for Science 48013 Bilbao Spain